138717890

素因数分解:

$2^1\times 5^1\times {\mathrm{163}}^1\times {\mathrm{85103}}^1$

素因数の和:85273

約数の個数: 16

約数和(自身を含む): 251227008

約数和(自身を除く): 112509118

約数列:

[1, 2, 5, 10, 163, 326, 815, 1630, 85103, 170206, 425515, 851030, 13871789, 27743578, 69358945, 138717890]

約数ペア:

[(1, 138717890), (2, 69358945), (5, 27743578), (10, 13871789), (163, 851030), (326, 425515), (815, 170206), (1630, 85103)]